<div class="hero-list">
  <h2>危机中心</h2>
  <ul class="list-group">
    <li 
      *ngFor="let crisis of crises$ | async" 
      class="list-group-item" 
      [class.active]="selectedId === crisis.id"
      (click)="onSelect(crisis.id)"
    >{{ crisis.name }}</li>
  </ul>
</div>